CuCSN — Properties & Data | MatWorld

CuCSN

metal

· JVASP-57476· CuCSN

CuCSN is a copper-based alloy system incorporating chromium, silicon, and nickel elements, positioned within the family of high-performance copper alloys designed for strength and corrosion resistance. This material family finds application in demanding environments where copper's excellent electrical and thermal conductivity must be combined with enhanced mechanical properties and oxidation resistance. The chromium and nickel additions provide superior corrosion and wear performance compared to unalloyed copper, making it relevant for applications requiring durability in corrosive or high-temperature service conditions.

electrical connectors and contactsmarine hardware and fastenersheat exchanger tubesvalve and pump componentscorrosion-resistant springswear-resistant bearings

Compliance & Regulations

?EAR?Conflict Free?RoHS?REACH?TSCA?Prop 65

Units:

si imperial

Property	Value	Unit	Conditions	Source
Density(ρ)	2.917	kg/m³	DFT · OptB88vdW

Verified Unverified Low confidence (<80%) Link to source

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Method

Carrier

Property	Value	Unit	Conditions
Band Gap(Eg)2 entries	2.071	eV	DFT · OptB88vdW
↳	2.425	eV	DFT · TBmBJ
Dielectric Constant (Relative Permittivity)(εr)	6.728	-	DFT · OptB88vdW
High-Frequency Dielectric Constant (ε∞)(ε∞)2 entries	5.361	-	DFT · OptB88vdW
↳	4.477	-	DFT · TBmBJ
Electron Effective Mass(m*e)	2.083	me	DFT · OptB88vdW · 27°C
Hole Effective Mass(m*h)	1.160	me	DFT · OptB88vdW · 27°C
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW
Piezoelectric Modulus(eij)	0.1739	C/m²	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.00433	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.00175	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-317.3	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	245.3	μV/K	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Spectroscopic Limited Maximum Efficiency (SLME)(SLME)	14.12	%	DFT · TBmBJ

N entriesMultiple entries per property — large groups are collapsed; click a summary row to expand. Use filters above to narrow by form, heat treatment, basis, or test environment.

Verified Unverified Low confidence (<80%) Link to source

Property	Value	Unit	Conditions	Source
Energy Above Hull(ΔEhull)	0.2686	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)	0.1324	eV/atom	DFT · OptB88vdW

Verified Unverified Low confidence (<80%) Link to source

Reference data from cited sources. Not verified or certified by MatWorld Inc. Verify against the source before use in design. Terms: engineering data

Regulatory Screening

Environmental

Export Control

RoHS, REACH, and Prop 65 statuses are validated against official substance lists (ECHA SVHC Candidate List, OEHHA Prop 65, RoHS Annex II). Other regulations are estimated from composition and material classification. All screening is a starting point for due diligence — always verify with your supplier before making compliance decisions.

CuCSN

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control